29 March, 12:31
12. For angle A it is known that sin (A) >0 and tan (A) <0. If A is drawn in standard position, in which quadrant
does its terminal ray lie?
29 March, 13:48
Sin = opp/hyp and opp is positive in quadrants 1 & 2.
Tan = opp/adj - we need one of these values to be positive and the other negative. adj is negative in quadrants 2 & 3.
Quadrant 2 is found in both of the scenarios that we need to occur.
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» 12. For angle A it is known that sin (A) >0 and tan (A) <0. If A is drawn in standard position, in which quadrant does its terminal ray lie?